Home / 111,170.16-166,733.02-40,090.81

Finding the Fourth Proportional to 111,170.16, 166,733.02 and 40,090.81

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Solution

The fourth proportional to 111,170.16, 166,733.02 and 40,090.81 is: 60,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,170.16 : 166,733.02 = 40,090.81 : x
  2. Step 2: Convert to fraction form
    111,170.16/166,733.02 = 40,090.81/x
  3. Step 3: Cross multiply
    111,170.16x = 166,733.02 × 40,090.81
  4. Step 4: Simplify right side
    111,170.16x = 6,684,461,825.55
  5. Step 5: Solve for x
    x = 6,684,461,825.55/111,170.16
  6. Step 6: Final answer
    x = 60,128.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.